class Big {
    public int a;

    public Big(int a) {
        this.a = a;
    }
    public void func() {
        System.out.println("快来重写我！");
    }
}
class Min extends Big {
    public int b;
    @Override
    public void func() {
        System.out.println("我就重写你了");
    }

    public Min(int a, int b) {
        super(a);
        this.b = b;

    }
}
public class Test3 {
    public static void main(String[] args) {


        Min min = new Min(10,20);
        System.out.println();
    }
}
